/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.pool2.impl;

import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.ReentrantLock;

/**
 * 线程安全锁
 * 继承ReentrantLock的重入锁
 */
final class InterruptibleReentrantLock extends ReentrantLock {

    private static final long serialVersionUID = 1L;

    /**
     * 使用给定的公平策略构造一个新的InterruptbleReentrantLock。
     *
     * @param fairness true表示线程应该像在FIFO队列中等待一样获取争用锁
     */
    public InterruptibleReentrantLock(final boolean fairness) {
        super(fairness);
    }

    /**
     * 中断等待特定条件的线程
     *
     * @param condition t线程等待的条件。
     */
    public void interruptWaiters(final Condition condition) {
        getWaitingThreads(condition).forEach(Thread::interrupt);
    }
}
